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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QUrl>
#include "qcommonsequencetypes_p.h"
#include "qnodebuilder_p.h"
#include "qqnamevalue_p.h"
#include "qattributeconstructor_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
AttributeConstructor::AttributeConstructor(const Expression::Ptr &op1,
const Expression::Ptr &op2) : PairContainer(op1, op2)
{
}
QString AttributeConstructor::processValue(const QXmlName name,
const Item &value)
{
if(!value)
return QString();
else if(name == QXmlName(StandardNamespaces::xml, StandardLocalNames::id))
return value.stringValue().simplified();
else
return value.stringValue();
}
Item AttributeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item nameItem(m_operand1->evaluateSingleton(context));
const Item content(m_operand2->evaluateSingleton(context));
const QXmlName name(nameItem.as<QNameValue>()->qName());
const QString value(processValue(name, content));
const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
nodeBuilder->attribute(name, QStringRef(&value));
const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
context->addNodeModel(nm);
return nm->root(QXmlNodeModelIndex());
}
void AttributeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
{
QAbstractXmlReceiver *const receiver = context->outputReceiver();
const Item nameItem(m_operand1->evaluateSingleton(context));
const Item content(m_operand2->evaluateSingleton(context));
const QXmlName name(nameItem.as<QNameValue>()->qName());
const QString value(processValue(name, content));
receiver->attribute(name, QStringRef(&value));
}
SequenceType::Ptr AttributeConstructor::staticType() const
{
return CommonSequenceTypes::ExactlyOneAttribute;
}
SequenceType::List AttributeConstructor::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ExactlyOneQName);
result.append(CommonSequenceTypes::ZeroOrMoreItems);
return result;
}
Expression::Properties AttributeConstructor::properties() const
{
return DisableElimination | IsNodeConstructor;
}
ExpressionVisitorResult::Ptr
AttributeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
Expression::ID AttributeConstructor::id() const
{
return IDAttributeConstructor;
}
QT_END_NAMESPACE
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